JCPenney cuts up to 60% off plus an extra 25% off a selection of furniture and mattresses as part of its Black Friday Deals. (Prices are as marked.) Plus, all of these orders receive free shipping, including oversized items. (Oversized shipping fees usually start at $75 an easily go into the hundreds.) That beats our mention from last week (which only saw an extra 20% off and lacked the universal free shipping) and yields all-time lows on a variety of items. Some exclusions may apply. Deal...